Mr Li writing a book last year,and it sells well in our citysorry,Mr Li 和writing 中间是有一个空格的,填 finished 还是has finished?baidu现在好难使~

Mr.Li is writing a book on( )trees.A.to protect B.protecting C.protects D.protected 要说明理由 Mr Li writing a book last year,and it sells well in our citysorry,Mr Li 和writing 中间是有一个空格的,填 finished 还是has finished?baidu现在好难使~ Mr.Li is writing a book on ______trees.选择题 求解A. to protect b. protecting C.protect D.protected 要说原因 Mr Smith is busy now.He is writing a book同意句转换Mr Smith is _______ ________ a book now Mr Li comes into the classroom and a book in his hand. mr li comes into the room and a book in his hand 改错 A：B:Mr Li is a teacher. mr li is a friend of _ mr li was a teacher是什么意思 I think this is ___ interesting book.A,an B,a C,the D,/ Mr Li loves___very much.A,usB,weC,theyD,I 急求ING,要教求法..Mr King is going bike riding to the Great Wall after finishin to the book?A.write B.to write C.writing D.to writing 下面是四个选项.. a photo of Mr.Li和a photo of Mr.Li's有什么区别 Mr Li is a policeman.(同义句） Mr Li _____ _____ a policeman. May I take the book out ,Mr Li?No,you___.A.can't B.may not C.needn't D.aren't A:This is （ ） teacher,Mr.Li B：Mr/Li,this（ ）my mom he is writing a book .（改为一般疑问句） He is writing a good booK变被动语态 he is writing a book改为一般疑问句